AI & Local Models
Grounded Local PDF Q&A with Ollama, LangChain, and Chroma
Build local PDF Q&A with current LangChain packages, labeled source chunks, validated citation IDs, retrieval tests, and honest hallucination limits.
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AI & Local Models
Ollama on a Cloud Server: Costs, Sizing, and Security
Plan a private CPU-based Ollama server with current DigitalOcean pricing, realistic memory limits, SSH-tunneled access, and repeatable measurements.